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Servers and applications

CVE-2020-5270

Open redirection when using back parameter

Severity
Medium 6.1
Published
20 Apr 2020
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
1.7.6.5
Also known as
GHSA-375w-q56h-h7qc
Sources
NVD, Project advisories (GitHub)

Description

In PrestaShop between versions 1.7.6.0 and 1.7.6.5, there is an open redirection when using back parameter. The impacts can be many, and vary from the theft of information and credentials to the redirection to malicious websites containing attacker-controlled content, which in some cases even cause XSS attacks. So even though an open redirection might sound harmless at first, the impacts of it…

Affected software

SoftwareAffected versions
PrestaShopServers and applications · cpe:a:prestashop:prestashop
  • After 1.7.6.0 before 1.7.6.5
PrestaShopServers and applications · github:prestashop/prestashop
  • From 1.7.6.0 before 1.7.6.5

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2020-5270
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2020-5270
  • GitHub Advisory Database https://github.com/advisories/GHSA-375w-q56h-h7qc
  • github.com https://github.com/PrestaShop/PrestaShop/security/advisories/GHSA-375w-q56h-h7qc